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円に個性(色)付けして、関係性だけを可視化
Add color to circle and visualize only relationship.
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#pragma once #include "ofMain.h" class ofApp : public ofBaseApp { public: void setup(); void update(); void draw(); void keyPressed(int key) {}; void keyReleased(int key) {}; void mouseMoved(int x, int y) {}; void mouseDragged(int x, int y, int button) {}; void mousePressed(int x, int y, int button) {}; void mouseReleased(int x, int y, int button) {}; void mouseEntered(int x, int y) {}; void mouseExited(int x, int y) {}; void windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(0); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); ofSetLineWidth(2); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { auto radius = 15; auto span = 120; auto threshold = 80; ofColor color; vector<glm::vec2> locations; vector<ofColor> colors; for (auto i = 0; i < 100; i++) { auto location = glm::vec2( ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0005), 0, 1, 0, ofGetWidth()), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0005), 0, 1, 0, ofGetHeight())); locations.push_back(location); color.setHsb(ofRandom(255), 230, 255); colors.push_back(color); } int index = 0; for (auto location : locations) { for (auto other : locations) { if (location == other) { continue; } auto distance = glm::distance(location, other); if (distance < threshold && distance > radius) { auto direction_rad = std::atan2(location.y - other.y, location.x - other.x); auto direction = direction_rad * RAD_TO_DEG; auto width = ofMap(distance, 0, threshold, 360, 3); ofSetColor(colors[index], threshold < threshold * 0.5 ? 255 : ofMap(distance, threshold * 0.5, threshold, 255, 0)); ofNoFill(); ofBeginShape(); for (auto deg = direction - width * 0.5; deg <= direction + width * 0.5; deg++) { ofVertex(other.x + radius * cos(deg * DEG_TO_RAD), other.y + radius * sin(deg * DEG_TO_RAD)); } ofEndShape(); ofDrawLine(location + glm::vec2(radius * cos((direction + 180) * DEG_TO_RAD), radius * sin((direction + 180) * DEG_TO_RAD)), other + glm::vec2(radius * cos(direction * DEG_TO_RAD), radius * sin(direction * DEG_TO_RAD))); } } index++; } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |